55851926201 has 4 divisors (see below), whose sum is σ = 55855992804. Its totient is φ = 55847859600.

The previous prime is 55851926183. The next prime is 55851926219. The reversal of 55851926201 is 10262915855.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55851926183) and next prime (55851926219).

It can be written as a sum of positive squares in 2 ways, for example, as 27855943801 + 27995982400 = 166901^2 + 167320^2 .

It is a cyclic number.

It is not a de Polignac number, because 55851926201 - 2²⁶ = 55784817337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55851926231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2012630 + ... + 2040191.

It is an arithmetic number, because the mean of its divisors is an integer number (13963998201).

Almost surely, 2^55851926201 is an apocalyptic number.

It is an amenable number.

55851926201 is a deficient number, since it is larger than the sum of its proper divisors (4066603).

55851926201 is a wasteful number, since it uses less digits than its factorization.

55851926201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066602.

The product of its (nonzero) digits is 216000, while the sum is 44.

The spelling of 55851926201 in words is "fifty-five billion, eight hundred fifty-one million, nine hundred twenty-six thousand, two hundred one".